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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebScriptController_h
     32 #define WebScriptController_h
     33 
     34 #include "WebCommon.h"
     35 
     36 namespace v8 {
     37 class Extension;
     38 }
     39 
     40 namespace WebKit {
     41 
     42 class WebString;
     43 
     44 class WebScriptController {
     45 public:
     46     // Registers a v8 extension to be available on webpages. The three forms
     47     // offer various restrictions on what types of contexts the extension is
     48     // loaded into. If a scheme is provided, only pages whose URL has the given
     49     // scheme will match. If extensionGroup is provided, the extension will only
     50     // be loaded into scripts run via WebFrame::ExecuteInNewWorld with the
     51     // matching group.
     52     // Will only affect v8 contexts initialized after this call. Takes ownership
     53     // of the v8::Extension object passed.
     54     WEBKIT_API static void registerExtension(v8::Extension*);
     55 
     56     // Enables special settings which are only applicable if V8 is executed
     57     // in the single thread which must be the main thread.
     58     // FIXME: make a try to dynamically detect when this condition is broken
     59     // and automatically switch off single thread mode.
     60     WEBKIT_API static void enableV8SingleThreadMode();
     61 
     62     // Process any pending JavaScript console messages.
     63     WEBKIT_API static void flushConsoleMessages();
     64 
     65 private:
     66     WebScriptController();
     67 };
     68 
     69 } // namespace WebKit
     70 
     71 #endif
     72